Léiritheoir
Conductor
Stage director
Maria Curie-Skłodowska
Pierre Curie
Paul Langevin
Einstein
Loïe Fuller
Magarette Borel
Gustav Tery
Irene
Ewa
Rutherford
Henri Perrin
Paul Appel
Paul Painleve
1. Journalist
2. Journalist
1. Voice
2. Voice
3. Voice
Henriette Perrin
Chairman
Chancellor
Newsboy
Vice-President
Debierne, Boltwood
Set designer